Paleontology Cnidaria and Nematocysts Cnidaria‚ also called Coelenterata‚ is a large phylum of marine organisms with around 10‚000 species. These species are corals‚ jellyfish‚ various plant-like organisms‚ as well as many others. These are all very different from each other‚ except for one similar attribute. They all have Nematocysts‚ which are stinging cells used by all Cnidaria for either defense or hunting. Nematocysts have a variety of functions to fulfill these tasks. The organism can use
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‚seaweed‚ or other aquatic grasses. Rising Temperatures Global warming is expected to raise temperatures between 4-10 degrees. These increase in temperatures will bring a host of changes to include retreating and eroding shorelines‚ dying coral reefs‚ salt water intrusion into the freshwater aquifer‚ increasing numbers of forest fires‚ and warmer air and sea surface temperatures. Increased salinity would occur from rising saltwater into the Everglades from the Florida Bay. The increase in salinity
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the Marine National Park‚ most of them surrounded by reefs. The best known island is Pirotan.[1] Among the fauna found here include: coral‚ dugong and the finless porpoise. There are 42 islands in the Arabian Sea with coral reefs and the park is situated in one of those.[2] Marine National Park of Gulf of Kutchh is a fragile ecosystem. In recent years‚ biodiversity of marine park has been under threat on several scores like extraction of corals and sands by cement industries‚ increased turbidity
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They can be found living on the roots of mangrove trees‚ corals‚ and rocks (Kaplan‚ 1982). Aiptasia can live in a wide range of salinities‚ temperatures‚ and other water quality conditions. When kept in saltwater aquariums they need live rocks or other solid material to attach to. They can survive in any type
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North Hills. Now he has to respect other and follows the rules in order to stay away from jail. I believe Reef could have changed his past. By his action‚ behavior and language but since he didn’t help himself‚ he now has to face his punishments but Reef still doesn’t care about what’s happening around him to people. Soon his whole life turns around in seconds just like a U-Turn. First example‚ Reef could have changed his past by his action because he should have not messed with people when they came
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Grace Coral Drugs Case Study 1. I would recommend the small local manufacturer‚ Gorman and Irizawa Ltd to the vice president of purchasing. However‚ at the same time‚ I would not switch the Twinney manufacturer right away. I would like to split the annual orders of dandruff shampoo between Twinney and G & I‚ because I want to make sure that G&I will have the ability to produce the same products that are required. In addition‚ G & I offers a larger sized container for all of their Coral Dandruff
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displayed in the movie. Clownfish are vertebrates of the Pomacentridae or damselfish family that live in tropical marine waters throughout the world. They are home loving creatures and live amongst the tentacles of sea anemones in the shallow waters of coral reefs. Sea anemones are members of the phylum Cnidaria. They have stinging tentacles with specialized organelles called nematocysts
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just as many negatives. Also‚ these species can be introduced accidentally or intentionally. The new organism may cause no obvious problems and eventually‚ it will be considered "native" to the area. For example‚ corals are "perhaps the oldest animals on the planet‚ and these long-lived corals have evolved in one of the Earth’s most stable environments" (Eichenberg‚ p.2). If a new type of fish were to be put into the
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The Enhydra lutris or sea otter are local to the coasts of the North Pacific Ocean‚ ranging from Canada to Southern California and even Mexico. This species ranks as the second smallest marine mammal in the animal kingdom and is known for its dense fur coat‚ as opposed to a layer of blubber (http://www.defenders.org/sea-otter/basic-facts). The sea otter is a keystone species. A keystone species is “a species on which other species in an ecosystem largely depend‚ such that if it were removed the ecosystem
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Sea anemones are members of the Phylum Cnidarian. The cnidarians include the anemones‚ jellyfish‚ coral‚ Portuguese man-of-war and hydroids. Their characteristics include a soft body with two tissue layers arranged around a central gut cavity. A ring of tentacles surrounds a central mouth‚ and the tentacles endure stinging cells which contain nematocysts used to capture food and for defense. ("Marine Life Profile: Sea Anemones”) The two basic body forms among the cnidarians are the polyp‚ which looks
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